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Mathematics 10 Online
OpenStudy (anonymous):

Use substitution to solve the system 3x-18=y 4x-3y=29 x = ? y = ?

Vocaloid (vocaloid):

well, ok, the first equation tells you that y = 3x - 18, right? so we can take that y-value and plug it into the second equation: 4x - 3y = 29 4x - 3(3x-18) = 29 solve for x

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